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66 lines
2.1 KiB
66 lines
2.1 KiB
/* io.h - Interface to the I/O functions.
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Copyright (C) 2000 Werner Koch (dd9jn)
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Copyright (C) 2001, 2002, 2003 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GPGME; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef IO_H
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#define IO_H
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/* A single file descriptor passed to spawn. For child fds, dup_to
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specifies the fd it should become in the child. */
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struct spawn_fd_item_s
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{
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int fd;
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int dup_to;
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};
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struct io_select_fd_s
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{
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int fd;
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int for_read;
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int for_write;
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int signaled;
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int frozen;
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void *opaque;
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};
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/* These function are either defined in posix-io.c or w32-io.c. */
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void _gpgme_io_subsystem_init (void);
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int _gpgme_io_read (int fd, void *buffer, size_t count);
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int _gpgme_io_write (int fd, const void *buffer, size_t count);
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int _gpgme_io_pipe (int filedes[2], int inherit_idx);
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int _gpgme_io_close (int fd);
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int _gpgme_io_set_close_notify (int fd, void (*handler) (int, void *),
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void *value);
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int _gpgme_io_set_nonblocking (int fd);
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/* Spawn the executable PATH with ARGV as arguments, after forking
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close all fds in FD_PARENT_LIST in the parent and close or dup all
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fds in FD_CHILD_LIST in the child. */
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int _gpgme_io_spawn (const char *path, char **argv,
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struct spawn_fd_item_s *fd_child_list,
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struct spawn_fd_item_s *fd_parent_list);
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int _gpgme_io_waitpid (int pid, int hang, int *r_status, int *r_signal);
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int _gpgme_io_kill (int pid, int hard);
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int _gpgme_io_select (struct io_select_fd_s *fds, size_t nfds, int nonblock);
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#endif /* IO_H */
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